Aliquot from a random urine sample.
Onsite [NJH]: Transport to lab within 1 hour.
Preferred volume: 1 mL
Minimum Volume: 0.5 mL aliquot from a random urine sample.
Offsite: Send frozen serum Priority Overnight via FedEx and in a well insulated container on dry ice.
Analyze Immediately at RT (15-25°C)
48 hours refrigerated at 2-8°C
Random urine sample is the only acceptable sample type.
Monday - Friday
Ion Selective Electrode